From 247556ea06b5a16a7c3b4b38bd7a84acbcfcc2b0 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Thu, 23 Jan 2020 11:21:27 -0500
Subject: [PATCH] Detect repositories w/o a license, show warning

This links users to the following page with advice on choosing a
software license:

https://man.sr.ht/license.md
---
 gitsrht/blueprints/repo.py     | 14 +++++++++++++-
 gitsrht/templates/summary.html | 12 ++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/gitsrht/blueprints/repo.py b/gitsrht/blueprints/repo.py
index df23874..85da77d 100644
--- a/gitsrht/blueprints/repo.py
+++ b/gitsrht/blueprints/repo.py
@@ -103,12 +103,24 @@ def summary(owner, repo):
         tags = sorted(tags, key=lambda c: commit_time(c[1]), reverse=True)
         latest_tag = tags[0] if len(tags) else None
 
+        license = False
+        for path in [
+                "LICENSE", "COPYING",
+                "LICENSE.txt", "license.txt",
+                "COPYING.txt", "copying.txt",
+                "LICENSE.md", "license.md",
+                "COPYING.md", "copying.md",
+        ]:
+            if path in tip.tree:
+                license = True
+                break
+
         message = session.pop("message", None)
         return render_template("summary.html", view="summary",
                 owner=owner, repo=repo, readme=readme, commits=commits,
                 latest_tag=latest_tag, default_branch=default_branch,
                 is_annotated=lambda t: isinstance(t, pygit2.Tag),
-                message=message)
+                message=message, license=license)
 
 @repo.route("/<owner>/<repo>/<path:path>")
 def go_get(owner, repo, path):
diff --git a/gitsrht/templates/summary.html b/gitsrht/templates/summary.html
index 6e5bc5f..cc74448 100644
--- a/gitsrht/templates/summary.html
+++ b/gitsrht/templates/summary.html
@@ -119,6 +119,18 @@
       </div>
     </div>
   </div>
+  {% if current_user.id == repo.owner_id
+    and not license
+    and repo.visibility.value == 'public' %}
+  <div class="alert alert-danger">
+    <strong>Head's up!</strong> We couldn't find a license file for your
+    repository, which means that it may not be possible for others to use this
+    project. If you're unsure of how to choose a license, consult our wiki page,
+    <a
+      href="https://man.sr.ht/license.md" rel="noopener"
+    >choosing a software license</a>.
+  </div>
+  {% endif %}
   {% if readme %}
   <div class="row" id="readme">
     <div class="col-md-10">
-- 
2.38.4